Luxurious Style, Party Like Sound Don't settle for cheaply made wireless headphones. Get something with style and superb sound. Get something that you can show off to your friends, family and coworkers. The W855BT brings you the sound you love from Edifier to an all-new luxurious style. The padding fits your ears and feels just like laying on a pillow. Technical Specs Bluetooth version: Bluetooth V4.1 Bluetooth profile: HFP, HSP, A2DP, AVRCP Effective Range: 32.8 feet Charging input: DC 5.0V 500mA Frequency response: 20Hz - 20kHz Driver unit: 40mm Impedance: 32ohm Sensitivity: 98dB Accessories Included MicroUSB data charging cable Audio AUX to AUX cable Clamshell Case Buy with confidence from China's second largest speaker and headphone manufacturer Edifier is the world's second largest manufacturer for consumer audio. Our mission is to prove to the world that China creates high quality electronics that everyone can enjoy.